257805555720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3229}}^1\times {\mathrm{15473}}^1$

素因数の和:18759

約数の個数: 128

約数和(自身を含む): 791699356800

約数和(自身を除く): 533893801080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3229, 5160, 6458, 9687, 12916, 15473, 16145, 19374, 25832, 30946, 32290, 38748, 46419, 48435, 61892, 64580, 77365, 77496, 92838, 96870, 123784, 129160, 138847, 154730, 185676, 193740, 232095, 277694, 309460, 371352, 387480, 416541, 464190, 555388, 618920, 665339, 694235, 833082, 928380, 1110776, 1330678, 1388470, 1666164, 1856760, 1996017, 2082705, 2661356, 2776940, 3326695, 3332328, 3992034, 4165410, 5322712, 5553880, 6653390, 7984068, 8330820, 9980085, 13306780, 15968136, 16661640, 19960170, 26613560, 39920340, 49962317, 79840680, 99924634, 149886951, 199849268, 249811585, 299773902, 399698536, 499623170, 599547804, 749434755, 999246340, 1199095608, 1498869510, 1998492680, 2148379631, 2997739020, 4296759262, 5995478040, 6445138893, 8593518524, 10741898155, 12890277786, 17187037048, 21483796310, 25780555572, 32225694465, 42967592620, 51561111144, 64451388930, 85935185240, 128902777860, 257805555720]

約数ペア:

[(1, 257805555720), (2, 128902777860), (3, 85935185240), (4, 64451388930), (5, 51561111144), (6, 42967592620), (8, 32225694465), (10, 25780555572), (12, 21483796310), (15, 17187037048), (20, 12890277786), (24, 10741898155), (30, 8593518524), (40, 6445138893), (43, 5995478040), (60, 4296759262), (86, 2997739020), (120, 2148379631), (129, 1998492680), (172, 1498869510), (215, 1199095608), (258, 999246340), (344, 749434755), (430, 599547804), (516, 499623170), (645, 399698536), (860, 299773902), (1032, 249811585), (1290, 199849268), (1720, 149886951), (2580, 99924634), (3229, 79840680), (5160, 49962317), (6458, 39920340), (9687, 26613560), (12916, 19960170), (15473, 16661640), (16145, 15968136), (19374, 13306780), (25832, 9980085), (30946, 8330820), (32290, 7984068), (38748, 6653390), (46419, 5553880), (48435, 5322712), (61892, 4165410), (64580, 3992034), (77365, 3332328), (77496, 3326695), (92838, 2776940), (96870, 2661356), (123784, 2082705), (129160, 1996017), (138847, 1856760), (154730, 1666164), (185676, 1388470), (193740, 1330678), (232095, 1110776), (277694, 928380), (309460, 833082), (371352, 694235), (387480, 665339), (416541, 618920), (464190, 555388)]